Pulumi Context API
PulumiOfficialPublished by Pulumi
- Skill
- Tool integration
- Cloud and DevOps
- Apache-2.0
- No issues found
AutoGineer summary
Written by AutoGineer from the skill’s own files, not by the author
The pulumi-context-api skill enables agents to interact with the Pulumi Context API, a graph-based interface for analyzing infrastructure relationships within Pulumi Cloud. Unlike standard resource searches that focus on individual items, this skill allows for complex queries regarding resource dependencies, blast radius analysis, and cross-stack references. It provides a structured approach to fetching schema primers and executing graph queries to understand the interconnected nature of cloud resources, including those managed outside of Pulumi.
What it does
- Fetches the current graph schema to understand available fields and query capabilities.
- Executes graph queries to map dependencies between resources and stacks.
- Performs impact analysis to determine the blast radius of potential infrastructure changes.
- Identifies orphaned or unreferenced resources across cloud accounts.
- Determines which provider instances manage specific resources and their versions.
- Validates query completeness using fidelity signals and pagination tokens.
When to use it
- When you need to understand the impact of a change on dependent resources.
- When identifying what depends on a specific stack's outputs.
- When mapping relationships that cross multiple stacks or cloud accounts.
- When searching for unreferenced or orphaned infrastructure components.
- When the question involves graph-based reachability rather than simple resource lookup.
Advantages
- Provides a holistic view of infrastructure as a connected graph.
- Enables complex dependency analysis that standard search tools cannot perform.
- Includes resources discovered by Pulumi even if not directly managed by it.
- Ensures query accuracy by requiring a fresh schema primer for every session.
- Supports programmatic handling of large datasets through pagination.
Usage examples
- “What resources would be impacted if I delete this specific database stack?”
- The agent uses the Context API to traverse the dependency graph and identifies all downstream resources and stacks that rely on the database's outputs.
- “Find all orphaned resources in my production environment that are not referenced by any stack.”
- The agent queries the graph for resources lacking incoming dependency edges and reports the list of unreferenced infrastructure.
Install
Download the skill as a ZIP:
https://autogineer.com/agent-skills/pulumi/pulumi-context-api/downloadUnzip it into the cross-client skills folder of your project:
mkdir -p .agents/skills && unzip pulumi-context-api.zip -d .agents/skills
Documentation by Pulumi
Query the Pulumi Context API
The Context API answers questions about an organization's cloud infrastructure as a graph: what exists, what depends on what, what a change would affect. It covers resources found through Pulumi Discovery, not just Pulumi-managed ones.
Prefer it over Resource Search whenever the question involves relationships. Resource Search finds individual resources but cannot follow edges, so answering "what depends on X" with repeated searches is slow and usually incomplete.
Public preview, for organizations on the Enterprise and Business Critical
editions, and a role granting resources:search (the default Member and Admin
roles do).
First: is a graph tool already in the session?
If one is — graph_query and get_graph_schema, under whatever prefix the
server registers them — call it and skip Steps 1 and 2. Compose the selector
from the graph_query tool's own description, which carries the grammar; the
tool resolves the organization and credentials itself and drains pagination for
you. When that description is not enough, get_graph_schema returns the live
field vocabulary and limits, and will serve the full Step 1 primer when asked
for it. Step 3 still governs what you do with the result.
Steps 1 and 2 are the path for an agent that has a shell and no such tool.
Step 1: fetch the primer, always
Needs Pulumi CLI v3.243.0 or newer and an active pulumi login.
pulumi api GetGraphQuerySchema --output=markdownThis returns a self-contained guide to composing selectors — vocabulary, edge types, engine caps, worked examples, pagination, completeness rules, the gates that deny a query, and the traps that produce a confident wrong answer instead of an error. It is served by the deployment that answers your queries, so it is the contract, and it moves between schema versions. This skill bootstraps you to it and stops there; everything below defers to it. Fetch it fresh in every session — a primer remembered from earlier may describe a schema this deployment no longer serves.
The operation takes no organization; one schema covers every org the login can
reach. --output=json on it returns the same contract as a machine-readable
payload, useful for reading limits or fieldValues programmatically, but
compose from the markdown.
Read it in full — never truncate it with head, tail, or a byte cap. A
clipped primer means malformed selectors and rejected queries.
If this call fails
You have no primer yet, so handle it here rather than looking it up there:
| Response | Meaning |
|---|---|
401 Unauthorized | no active pulumi login, or an expired token |
404 Not Found, detail-free | a wrong path, or a deployment without the endpoint |
503 Service Unavailable | transient — retry |
Entitlement gates are per-organization, so they cannot appear on this call —
they surface in Step 2, by which point the primer's "When it denies you" table
is in hand. If pulumi api doesn't know GetGraphQuerySchema at all, that is
not a gate: run pulumi api list --refresh-spec to refresh the cached spec,
then retry the fetch.
Step 2: query
pulumi api GraphQuery -F orgName=<org> --input selector.jsonThe body is a JSON selector, not query text. Compose it from the primer you just read, not from memory or from a grammar you recall from another session.
Name the org explicitly. Left off, -F orgName resolves from the selected
stack or the default org, which is often an individual account with no
entitlement; pulumi whoami -v lists every organization the login can reach.
A denial here names its gate — the primer's "When it denies you" table says
which are worth retrying and which to report to the user.
Step 3: apply the primer's completeness rules before answering
Every response carries fidelity signals — currently meta.resultMode,
meta.visibility, and pageInfo.continuationToken; the primer names the
authoritative set. Read the primer's rules for them and follow them; the
remedies differ per signal and a stale paraphrase here would be worse than
none.
What matters most: a completeness claim needs all of them clean. Impact analysis, "nothing depends on this", an exhaustive cleanup list, a total across groups — none of these survive a truncated result, a trimmed traversal, or an undrained page. When you can't get there, say what the answer does cover.
Scope of the graph
Resources, stacks, and the relationships between them, trimmed to the stacks and accounts the caller can see. The primer's "What it cannot answer yet" section is the live boundary — check it before concluding a question is unanswerable, and reach for a different API rather than approximating one of those gaps with a graph query.
One boundary worth knowing up front, because it decides which API to use: the graph returns a schema-declared subset of fields per node type, not full resource property bags. The primer lists which fields each node type can match on and which it can return; when the question needs the property values themselves, they come back from Resource Search.
Human-readable reference: Context API overview and query guide.
Files
- ATTRIBUTION.mdAdded by AutoGineer867 B
- LICENSELicence file added by AutoGineer11.1 KiB
- SKILL.md6.0 KiB
- use_cases.yaml1.1 KiB
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Requirements and compatibility
Works with: Claude Code, Claude apps, OpenAI Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode, Goose, Amp, Roo Code, JetBrains Junie, Factory Droid, Devin (ex-Windsurf), Mistral Vibe, OpenHands, Letta
“Works with” means the tool reads the open Agent Skills format; a skill written for one tool may use features others lack.
Needs: Needs Node.js
Security
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Attribution and licence
- Published by
- Pulumi
- Publisher
- Pulumi (Official)
- Source
- pulumi/agent-skills · pulumi/skills/pulumi-context-api · commit 82f222a
- Licence
- Apache License 2.0 (redistribution allowed)
- LICENSE (added by AutoGineer from LICENSE)
- ATTRIBUTION.md (written by AutoGineer)
- Synced
AutoGineer is not affiliated with or endorsed by Pulumi or Pulumi.
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